| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.ivy.osgi.filter; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public abstract class MultiOperatorFilter extends OSGiFilter { |
| |
| private List<OSGiFilter> subFilters = new ArrayList<>(); |
| |
| public MultiOperatorFilter() { |
| // default constructor |
| } |
| |
| public MultiOperatorFilter(OSGiFilter[] filters) { |
| for (OSGiFilter filter : filters) { |
| add(filter); |
| } |
| } |
| |
| protected abstract char operator(); |
| |
| @Override |
| public void append(StringBuffer builder) { |
| builder.append('('); |
| builder.append(operator()); |
| for (OSGiFilter filter : subFilters) { |
| filter.append(builder); |
| } |
| builder.append(')'); |
| } |
| |
| public void add(OSGiFilter subFilter2) { |
| subFilters.add(subFilter2); |
| } |
| |
| public List<OSGiFilter> getSubFilters() { |
| return subFilters; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| for (OSGiFilter subFilter : subFilters) { |
| result = prime * result + ((subFilter == null) ? 0 : subFilter.hashCode()); |
| } |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || !(obj instanceof MultiOperatorFilter)) { |
| return false; |
| } |
| MultiOperatorFilter other = (MultiOperatorFilter) obj; |
| return subFilters == null ? other.subFilters == null |
| : other.subFilters != null && subFilters.size() == other.subFilters.size() |
| && subFilters.containsAll(other.subFilters); |
| } |
| } |